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An impressive 2.3 million people were at one time tuned in to SpaceX's livestream of its Falcon Heavy launch Tuesday, meaning Elon Musk now has another achievement under his belt in addition to sending "Starman" into space in his cherry-red convertible. The livestream was the second biggest in YouTube's history, though it couldn't match the 8 million concurrent viewers who tuned in to see the Red Bull Stratos jump in 2012, reports the Verge. The SpaceX livestream has now been viewed a total of 11.5 million times. A four-hour livestream of "Starman" cruising in space has been watched another 7.7 million times. The Tesla Roadster carrying him is now making its way into a solar orbit.